WO2021170599A1 - Compositions de polyoléfine - Google Patents

Compositions de polyoléfine Download PDF

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Publication number
WO2021170599A1
WO2021170599A1 PCT/EP2021/054485 EP2021054485W WO2021170599A1 WO 2021170599 A1 WO2021170599 A1 WO 2021170599A1 EP 2021054485 W EP2021054485 W EP 2021054485W WO 2021170599 A1 WO2021170599 A1 WO 2021170599A1
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tert
butyl
bis
component
composition according
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PCT/EP2021/054485
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English (en)
Inventor
Gerard Lips
Daniel Mueller
Heinz Herbst
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Basf Se
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Priority to EP21707256.0A priority Critical patent/EP4110862A1/fr
Priority to AU2021228909A priority patent/AU2021228909A1/en
Priority to MX2022010677A priority patent/MX2022010677A/es
Priority to JP2022551591A priority patent/JP2023515972A/ja
Priority to CN202180017238.3A priority patent/CN115175958A/zh
Priority to IL295823A priority patent/IL295823A/en
Priority to BR112022017027A priority patent/BR112022017027A2/pt
Priority to KR1020227032923A priority patent/KR20220147621A/ko
Priority to US17/802,901 priority patent/US20230146472A1/en
Publication of WO2021170599A1 publication Critical patent/WO2021170599A1/fr

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/34—Heterocyclic compounds having nitrogen in the ring
    • C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
    • C08K5/3477—Six-membered rings
    • C08K5/3492—Triazines
    • C08K5/34922—Melamine; Derivatives thereof
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    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
    • C08K3/016—Flame-proofing or flame-retarding additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
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    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
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    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
    • C08K5/0066—Flame-proofing or flame-retarding additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/17—Amines; Quaternary ammonium compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/32—Compounds containing nitrogen bound to oxygen
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/34—Heterocyclic compounds having nitrogen in the ring
    • C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
    • C08K5/3477—Six-membered rings
    • C08K5/3492—Triazines
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/34—Heterocyclic compounds having nitrogen in the ring
    • C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
    • C08K5/3477—Six-membered rings
    • C08K5/3492—Triazines
    • C08K5/34926—Triazines also containing heterocyclic groups other than triazine groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • C—CHEMISTRY; METALLURGY
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    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/12—Polypropene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/14—Copolymers of propene
    • C—CHEMISTRY; METALLURGY
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    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2206—Oxides; Hydroxides of metals of calcium, strontium or barium
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2217—Oxides; Hydroxides of metals of magnesium
    • C08K2003/222—Magnesia, i.e. magnesium oxide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2296—Oxides; Hydroxides of metals of zinc
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/267—Magnesium carbonate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/02—Flame or fire retardant/resistant

Definitions

  • the present invention relates to a polyolefin composition
  • a polyolefin composition comprising (a) a hindered amine light stabilizer of formula (1) as defined hereafter, (b) a hydrotalcite or an inorganic oxide, and (c) a hydroxylamine stabilizer or amine oxide stabilizer, a flame retardant article comprising such com position, and to the use of components (b) and (c) for reducing odor in a polyolefin composition comprising a component (a).
  • the present invention relates in particular to a polyolefin composition
  • a polyolefin composition comprising (a) a compound of formula
  • R 3 and R 4 is hydrogen and the remaining one of R 3 and R 4 is a group of formula (2),
  • Component (b) as a hydrotalcite is preferably a natural or synthetic hydrotalicite, especially a mixed hydroxide of the formula (b-l) or (b-ll).
  • M 2+ is for example Ca 2+ , Mg 2+ , Sr 2+ , Ba 2+ , Zn 2+ , Pb 2+ , Sn 2+ or Ni 2+ .
  • M 3+ is for example Al 3+ , B 3+ or Bi 3+ .
  • a is for example a number up to 0.5.
  • a b is an anion of valency b, for example Cl , Br, NO 3 , CO3 2 , SO4 2 or Se04 2 .
  • b is for example an integer from 1 to 4.
  • c is for example zero or a number up to 2.
  • d is for example a number up to 6.
  • e is for example a number up to 2.
  • f is for example zero or a number up to 15.
  • Hydrotalcites which are of special interest are layered double hydroxides that contain positively charged hydroxide layers and charge balancing anions located in the interlayer region.
  • Component b) is in particular at least one magnesium aluminum hydroxide carbonate hydrate which is for example commercially available as Hycite ® 713, DHT-4A ® , DHT-4V ® , DHT-4A-2 ® , DHT-4C ® or Sorbacid ® 911 , or zinc aluminum hydroxide carbonate hydrate which is for example commercially available as ZHT-4V ® or Sorbacid ® 944, or mixtures thereof.
  • magnesium aluminum hydroxide carbonate hydrate which is for example commercially available as Hycite ® 713 or DHT-4A ® .
  • Component (b) as an inorganic oxide is preferably calcium oxide, magnesium oxide or zinc oxide, especially calcium oxide.
  • inorganic oxides are preferred.
  • the amine oxide stabilizer of component (c) is, for example, a tertiary amine oxide of the general formula
  • Rs and R 6 are each independently Ci4-C24alkyl, especially Ci 6 -Ci 8 alkyl. In an other embodiment, Rs and R 6 are Cioalkyl.
  • the amine oxide stabilizers of the inventive polyolefin compositions may also includepoly(amine oxides). By poly(amine oxides) is meant tertiary amine oxides containing at least two tertiary amine oxides per molecule.
  • Illustrative poly(amine oxides), also called “poly- tertiary amine oxides)", include the tertiary amine oxide analogues of aliphatic and alicyclic dia mines such as, for example, 1 ,4-diaminobutane, 1 ,6-diaminohexane, 1 ,10-diaminodecane, and 1 ,4-diaminocyclohexane, and aromatic based diamines such as, for example, diamino anthraqui- nones and diaminoanisoles. Also included in the present invention are tertiary amine oxides de rived from oligomers and polymers of the aforementioned diamines.
  • amine oxide stabilizers for component (c) are given in paragraph 6 of the list of additives given hereinafter.
  • the amine oxide stabilizer of component (c) is preferably a compound of formula (3), for which the above definitions and preferences apply.
  • the hydroxylamine stabilizer of component (c) is preferably a compound of formula
  • R 7 and Rs independently of each other, are Ci-C3oalkyl or benzyl.
  • alkyl having up to 30 carbon atoms examples include methyl, ethyl, propyl, isopropyl, n-butyl, sec- butyl, isobutyl, tert-butyl, 2-ethylbutyl, n-pentyl, isopentyl, 1-methylpentyl, 1 ,3-dimethylbutyl, n- hexyl, 1-methylhexyl, n-heptyl, isoheptyl, 1 ,1 ,3,3-tetramethylbutyl, 1-methylheptyl, 3-methyl- heptyl, n-octyl, 2-ethylhexyl, 1 ,1 ,3-trimethylhexyl, 1,1 ,3,3-tetramethylpentyl, nonyl, decyl, undecyl, 1-methylundecyl, dodecyl, 1 ,1 ,3,3,5,5-
  • hydroxylamine stabilizers for component (c) are N,N-dibenzylhydroxylamine, N,N- diethylhydroxylamine, N,N-dioctylhydroxylamine, N,N-dilaurylhydroxylamine, N,N-ditetradecylhy- droxylamine, N,N-dihexadecylhydroxylamine, N,N-dioctadecylhydroxylamine, N-hexadecyl-N-oc- tadecylhydroxylamine, N-heptadecyl-N-octadecylhydroxylamine and N,N-dialkylhydroxylamine derived from hydrogenated tallow amine, N-octadecylhydroxylamine, N,N-dialkylhydroxylamine, N,N-di-tert-butylhydroxylamine, N-cyclohexylhydroxylamine, N-cyclododecyl
  • hydroxylamine stabilizer of component (c) are compounds of formula (4), wherein R 7 and Rs are Ci 6 -Cisalkyl.
  • Highly preferred as component (c) are hydroxylamine stabilizers, especially those of formula (4), for which the above definitions and preferences apply.
  • compositions wherein the weight ratio of component (a) to component (b) is 300:1 to 1 :1 , especially 100:1 to 1 :1 and more preferably 50:1 to 1 :1. Highly preferred is a ratio of 40:1 to 2:1.
  • compositions wherein the weight ratio of component (a) to component (c) is 300:1 to 1 :1 , especially 100:1 to 1 : 1 and more preferably 50:1 to 1 :1. Highly preferred is a ratio of 40:1 to 2:1.
  • component (a) it is preferred to use 0.01 to 40 weight-%, especially 0.1 to 40 weight-% and more preferably 0.2 to 30 weight-% of component (a), based on the weight of the composition. Highly preferred is an amount of 0.2 to 20 weight-%.
  • the polyolefin is preferably polyethylene or a copolymer thereof, or polypropylene or a copolymer thereof. Polypropylene or its copolymers are preferred.
  • the polyethylene is preferably selected from HD-PE, MD-PE, LD-PE, LLD-PE, metallocene PE, PE-X, mixture of PE, recycled PE, bi-modal PE, PE-RT, PE 32, PE 40, PE 63, PE 80, PE 100, PE 112, PE 125, PE 100 RC, PE 100 RT and PE 100 RD, in particular from high density polyeth ylene (HD-PE), medium density polyethylene (MD-PE), low density polyethylene (LD-PE), linear low density polyethylene (LLD-PE), metallocene polyethylene, crosslinked polyethylene (PE-X), recycled polyethylene, bi-modal polyethylene and mixtures of polyethylenes.
  • HD-PE high density polyeth ylene
  • MD-PE medium density polyethylene
  • LD-PE low density polyethylene
  • LLD-PE linear low density polyethylene
  • PE-X crosslinked polyethylene
  • the amount by weight of polyethylene is preferably 20 to 99.9%, more preferably 50 to 99.9%, especially 75 to 99.9%. Highly preferred is an amount by weight of poly ethylene of 85 to 99.9%.
  • the molar amount of ethylene is preferably 20 to 99.9%, more preferably 50 to 99.9%, especially 75 to 99.9%, based on the total molar amount of ethylene and propylene. Highly preferred is a molar amount of ethylene of 85 to 99.9%.
  • the polypropylene is preferably a polypropylene homopolymer or propylene/ethylene copolymer, or a mixture of polypropylene with other synthetic polymers, like polyethylene.
  • the polypropylene maybe categorized as atactic polypropylene (PP-at), syndiotactic polypropylene (PP-st) or isotactic polypropylene (PP-it).
  • the density of polypropylene is prefera bly between 0.85 and 0.95 g/cm 3 , especially between 0.895 and 0.92 g/cm 3 .
  • Particularly preferred as polypropylene are polypropylene, propylene/ethylene copolymers and mixtures of polypropylene with other synthetic polymers, like polyethylene. Highly preferred are polypropylene and propylene/ethylene copolymers, especially polypropylene.
  • the amount by weight of polypropylene is preferably 20 to 99.9%, more preferably 50 to 99.9%, especially 75 to 99.9%. Highly preferred is an amount by weight of poly propylene of 85 to 99.9%.
  • the molar amount of propylene is preferably 20 to 99.9%, more preferably 50 to 99.9%, especially 75 to 99.9%, based on the total molar amount of propylene and ethylene. Highly preferred is a molar amount of propylene of 85 to 99.9%.
  • the used polyolefin can be virgin or recycled material or blends thereof.
  • the polyolefin composition according to the present invention may further comprise one or more conventional additives such as:
  • Alkylated monophenols for example 2,6-di-tert-butyl-4-methylphenol, 2-tert-butyl-4,6-dime- thylphenol, 2,6-di-tert-butyl-4-ethylphenol, 2,6-di-tert-butyl-4-n-butylphenol, 2 , 6-d i-tert-b utyl-4- isobutylphenol, 2,6-dicyclopentyl-4-methylphenol, 2-(a-methylcyclohexyl)-4,6-dimethylphenol, 2,6-dioctadecyl-4-methylphenol, 2,4,6-tricyclohexylphenol, 2,6-di-tert-butyl-4-methox- ymethylphenol, nonylphenols which are linear or branched in the side chains, for example, 2,6- di-nonyl-4-methylphenol, 2,4-dimethyl-6-(1 '-
  • Alkylthiomethylphenols for example 2,4-dioctylthiomethyl-6-tert-butylphenol, 2,4-dioctylthi- omethyl-6-methylphenol, 2,4-dioctylthiomethyl-6-ethylphenol, 2,6-di-dodecylthiomethyl-4- nonylphenol, thiobis-[2-tert-butyl-5-methyl-4,1-phenylene] bis[3-(dodecylthio)propionate]
  • Hydroquinones and alkylated hydroquinones for example 2,6-di-tert-butyl-4-methoxyphenol,
  • Tocopherols for example a-tocopherol, b-tocopherol, g-tocopherol, d-tocopherol and mix tures thereof (vitamin E).
  • Hydroxylated thiodiphenyl ethers for example 2,2'-thiobis(6-tert-butyl-4-methylphenol), 2,2'- thiobis(4-octylphenol), 4,4'-thiobis(6-tert-butyl-3-methylphenol), 4,4'-thiobis(6-tert-butyl-2- methylphenol), 4,4'-thiobis(3,6-di-sec-amylphenol), 4,4'-bis(2,6-dimethyl-4-hydroxyphenyl)disul- fide.
  • 2,2'-thiobis(6-tert-butyl-4-methylphenol 2,2'- thiobis(4-octylphenol), 4,4'-thiobis(6-tert-butyl-3-methylphenol), 4,4'-thiobis(6-tert-butyl-2- methylphenol), 4,4'-thiobis(3,6-di-sec-amylphenol), 4,4'-bis
  • Alkylidenebisphenols for example 2, 2'-methylenebis(6-tert-butyl-4-methylphenol), 2,2'-meth- ylenebis(6-tert-butyl-4-ethylphenol), 2,2'-methylenebis[4-methyl-6-(a-methylcyclohexyl)phenol], 2,2'-methylenebis(4-methyl-6-cyclohexylphenol), 2,2'-methylenebis(6-nonyl-4-methylphenol), 2,2'-methylenebis(4,6-di-tert-butylphenol), 2,2'-ethylidenebis(4,6-di-tert-butylphenol), 2,2'-ethyli- denebis(6-tert-butyl-4-isobutylphenol), 2,2'-methylenebis[6-(a-methylbenzyl)-4-nonylphenol], 2,2'-methylenebis[6-(a,a-dimethylbenzyl
  • N- and S-benzyl compounds for example 3,5,3',5'-tetra-tert-butyl-4,4'-dihydroxydibenzyl ether, octadecyl-4-hydroxy-3,5-dimethylbenzylmercaptoacetate, tridecyl-4-hydroxy-3,5-di-tert- butylbenzylmercaptoacetate, tris(3,5-di-tert-butyl-4-hydroxybenzyl)amine, bis(4-tert-butyl-3-hy- droxy-2,6-dimethylbenzyl)dithioterephthalate, bis(3,5-di-tert-butyl-4-hydroxybenzyl)sulfide, isooc- tyl-3,5-di-tert-butyl-4-hydroxybenzylmercaptoacetate.
  • Hydroxybenzylated malonates for example dioctadecyl-2,2-bis(3,5-di-tert-butyl-2-hy- droxybenzyl)malonate, di-octadecyl-2-(3-tert-butyl-4-hydroxy-5-methylbenzyl)malonate, di-do- decylmercaptoethyl-2,2-bis (3,5-di-tert-butyl-4-hydroxybenzyl)malonate, bis[4-(1 ,1 ,3,3-tetra- methylbutyl)phenyl]-2,2-bis(3,5-di-tert-butyl-4-hydroxybenzyl)malonate.
  • Aromatic hydroxybenzyl compounds for example 1 ,3,5-tris(3,5-di-tert-butyl-4-hydroxyben- zyl)-2,4,6-trimethylbenzene, 1 ,4-bis(3,5-di-tert-butyl-4-hydroxybenzyl)-2,3,5,6-tetramethylben- zene, 2,4,6-tris(3,5-di-tert-butyl-4-hydroxybenzyl)phenol.
  • Triazine compounds for example 2,4-bis(octylmercapto)-6-(3,5-di-tert-butyl-4-hydroxyani- lino)-1 ,3,5-triazine, 2-octylmercapto-4,6-bis(3,5-di-tert-butyl-4-hydroxyanilino)-1 ,3,5-triazine, 2- octylmercapto-4,6-bis(3,5-di-tert-butyl-4-hydroxyphenoxy)-1 ,3,5-triazine, 2,4,6-tris(3,5-di-tert-bu- tyl-4-hydroxyphenoxy)-1 ,2,3-triazine, 1 ,3,5-tris(3,5-di-tert-butyl-4-hydroxybenzyl)isocyanurate, 1 ,3,5-tris(4-tert-butyl-3-hydroxy-2,6-dimethylbenzyl)
  • Benzylphosphonates for example dimethyl-2, 5-di-tert-butyl-4-hydroxybenzylphosphonate, diethyl-3, 5-di-tert-butyl-4-hydroxybenzylphosphonate, dioctadecyl3,5-di-tert-butyl-4-hydroxyben- zylphosphonate, dioctadecyl-5-tert-butyl-4-hydroxy-3-methylbenzylphosphonate, the calcium salt of the monoethyl ester of 3,5-di-tert-butyl-4-hydroxybenzylphosphonic acid.
  • Acylaminophenols for example 4-hydroxylauranilide, 4-hydroxystearanilide, octyl N-(3,5-di- tert-butyl-4-hydroxyphenyl)carbamate.
  • esters of p-(3,5-di-tert-butyl-4-hydroxyphenyl)propionic acid with mono- or polyhydric alco hols e.g. with methanol, ethanol, n-octanol, i-octanol, octadecanol, 1 ,6-hexanediol, 1 ,9-nonane- diol, ethylene glycol, 1 ,2-propanediol, neopentyl glycol, thiodiethylene glycol, diethylene glycol, triethylene glycol, pentaerythritol, tris(hydroxyethyl)isocyanurate, N,N'-bis(hydroxyethyl)oxamide, 3-thiaundecanol, 3-thiapentadecanol, trimethylhexanediol, trimethylolpropane, 4-hydroxymethyl- 1-phospha-2,6,
  • esters of p-(5-tert-butyl-4-hydroxy-3-methylphenyl)propionic acid with mono- or polyhydric alcohols e.g. with methanol, ethanol, n-octanol, i-octanol, octadecanol, 1 ,6-hexanediol, 1 ,9-non- anediol, ethylene glycol, 1 ,2-propanediol, neopentyl glycol, thiodiethylene glycol, diethylene gly col, triethylene glycol, pentaerythritol, tris(hydroxyethyl)isocyanurate, N,N'-bis(hydroxyethyl)ox- amide, 3-thiaundecanol, 3-thiapentadecanol, trimethylhexanediol, trimethylolpropane, 4-hy- droxymethyl-1
  • esters of p-(3,5-dicyclohexyl-4-hydroxyphenyl)propionic acid with mono- or polyhydric alco hols e.g. with methanol, ethanol, octanol, octadecanol, 1 ,6-hexanediol, 1 ,9-nonanediol, ethylene glycol, 1 ,2-propanediol, neopentyl glycol, thiodiethylene glycol, diethylene glycol, triethylene gly col, pentaerythritol, tris(hydroxyethyl)isocyanurate, N,N'-bis(hydroxyethyl)oxamide, 3-thiaun- decanol, 3-thiapentadecanol, trimethylhexanediol, trimethylolpropane, 4-hydroxymethyl-1-phos- pha-2,6,7-trioxabicyclo[
  • esters of 3,5-di-tert-butyl-4-hydroxyphenyl acetic acid with mono- or polyhydric alcohols e.g. with methanol, ethanol, octanol, octadecanol, 1 ,6-hexanediol, 1,9-nonanediol, ethylene gly col, 1 ,2-propanediol, neopentyl glycol, thiodiethylene glycol, diethylene glycol, triethylene glycol, pentaerythritol, tris(hydroxyethyl)isocyanurate, N,N'-bis(hydroxyethyl)oxamide, 3-thiaundecanol,
  • 3-thiapentadecanol trimethylhexanediol, trimethylolpropane, 4-hydroxymethyl-1-phospha-2,6,7- trioxabicyclo[2.2.2]octane.
  • Aminic antioxidants for example N,N'-di-isopropyl-p-phenylenediamine, N,N'-di-sec-butyl- p-phenylenediamine, N,N'-bis(1 ,4-dimethylpentyl)-p-phenylenediamine, N , N'-bis(1 -ethyl-3- methylpentyl)-p-phenylenediamine, N,N'-bis(1-methylheptyl)-p-phenylenediamine, N,N'-dicyclo- hexyl-p-phenylenediamine, N,N'-diphenyl-p-phenylenediamine, N,N'-bis(2-naphthyl)-p-phe- nylenediamine, N-isopropyl-N'-phenyl-p-phenylenediamine, N-(1 ,3-dimethylbutyl
  • 2-(2'-Hydroxyphenyl)benzotriazoles for example 2-(2'-hydroxy-5'-methylphenyl)-benzotria- zole, 2-(3',5'-di-tert-butyl-2'-hydroxyphenyl)benzotriazole, 2-(5'-tert-butyl-2'-hydroxyphenyl)ben- zotriazole, 2-(2'-hydroxy-5'-(1 ,1 ,3,3-tetramethylbutyl)phenyl)benzotriazole, 2-(3' , 5'-d i-te rt-butyl- 2'-hydroxyphenyl)-5-chloro-benzotriazole, 2-(3'-tert-butyl-2'-hydroxy-5'-methylphenyl)-5-chloro- benzotriazole, 2-(3'-sec-butyl-5'-tert-butyl-2'-hydroxyphenyl)benzotriazole, 2-
  • 2-Hydroxybenzophenones for example the 4-hydroxy, 4-methoxy, 4-octyloxy, 4-decyloxy, 4- dodecyloxy, 4-benzyloxy, 4,2',4'-trihydroxy and 2'-hydroxy-4,4'-dimethoxy derivatives.
  • Esters of substituted and unsubstituted benzoic acids for example 4-tert-butyl-phenyl salic ylate, phenyl salicylate, octylphenyl salicylate, dibenzoyl resorcinol, bis(4-tert-butylbenzoyl)resor- cinol, benzoyl resorcinol, 2,4-di-tert-butylphenyl 3,5-di-tert-butyl-4-hydroxybenzoate, hexadecyl
  • Acrylates for example ethyl a-cyano-p,p-diphenylacrylate, isooctyl a-cyano-p,p-diphe- nylacrylate, methyl a-carbomethoxycinnamate, methyl a-cyano-p-methyl-p-methoxycinnamate, butyl a-cyano-p-methyl-p-methoxy-cinnamate, methyl a-carbomethoxy-p-methoxycinnamate, N- (P-carbomethoxy-p-cyanovinyl)-2-methylindoline, neopentyl tetra(a-cyano-p,p-diphenylacrylate.
  • Sterically hindered amines for example 1 ,6-Hexanediamine N, N’-bis(1-propyloxy-2, 2,6,6- tetramethyl-4-piperidinyl)- N, N’-bis-2-[4,5-bis-(N-n-butyl-N‘-1-propyloxy-2,2,6,6-tetramethyl-4- piperidinyl)-1 ,3,5-triazine], 1 ,6-Hexanediamine N, N’-bis(2,2,6,6-tetramethyl-4-piperidinyl)- N, N’- bis-2-[4,5-bis-(N-n-butyl-N‘-2,2,6,6-tetramethyl-4-piperidinyl)-1 ,3,5-triazine], carbonic acid bis(1- undecyloxy-2,2,6,6-tetramethyl-4-piperidyl)ester, bis(2,2,6,6-tetramethyl-4-piperidyl)s
  • Benzoxazinone derivatives such as e.g. 2,2’-(1 ,4-phenylene)bis[4H-3,1-benzoxazin-4-one] (CAS No. 018600-59-4).
  • Oxamides for example 4,4'-dioctyloxyoxanilide, 2,2'-diethoxyoxanilide, 2,2'-dioctyloxy-5,5'- di-tert-butoxanilide, 2,2'-didodecyloxy-5,5'-di-tert-butoxanilide, 2-ethoxy-2'-ethyloxanilide, N,N'- bis(3-dimethylaminopropyl)oxamide, 2-ethoxy-5-tert-butyl-2'-ethoxanilide and its mixture with 2- ethoxy-2'-ethyl-5,4'-di-tert-butoxanilide, mixtures of o- and p-methoxy-disubstituted oxanilides and mixtures of o- and p-ethoxy-disubstituted oxanilides.
  • Metal deactivators for example N,N'-diphenyloxamide, N-salicylal-N'-salicyloyl hydrazine, N,N'-bis(salicyloyl)hydrazine, N,N'-bis(3,5-di-tert-butyl-4-hydroxyphenylpropionyl)hydrazine, 3- salicyloylamino-1 ,2,4-triazole, bis(benzylidene)oxalyl dihydrazide, oxanilide, isophthaloyl dihydrazide, sebacoyl bisphenylhydrazide, N,N'-diacetyladipoyl dihydrazide, N,N'-bis(salicyl- oyl)oxalyl dihydrazide, N,N'-bis(salicyloyl)thiopropionyl dihydrazide.
  • Formamidines for example Ethoxycarbonylphenyl)-N'-ethyl-N'-phenyl formamidine.
  • Phosphites and phosphonites for example triphenyl phosphite, diphenylalkyl phosphites, phenyldialkyl phosphites, tris(nonylphenyl) phosphite, trilauryl phosphite, trioctadecyl phosphite, distearylpentaerythritol diphosphite, tris(2,4-di-tert-butylphenyl) phosphite, diisodecyl pentaerythritol diphosphite, bis(2,4-di-tert-butylphenyl)pentaerythritol diphosphite, bis(2,4-di- cumylphenyl)pentaerythritol diphosphite, bis(2,6-di-tert-butyl-4-methylphenyl)pentaerythritol diphos
  • butyl-3H-1-benzofuran-2-one)-phenyl]-phosphite tris-[4- (1 ,1’3,3’-tetramethyl-butane)-2-(5-(1 ,1’3,3’-tetramethyl-butane-3H-1-benzofuran-2-one)-phenyl]- phosphite, tris-[2,6-dimethyl-(5,7-di-tert. butyl)-3H-1-benzofuran-2-one)-phenyl]-phosphite, bis- [2,6-dimethyl-(5,7-di-tert.
  • butyl)-3H-1-benzofuran-2-one)-phenyl]-phosphite bis-(2,6- dimethyl-(5,7-di-tert. butyl)-3H-1-benzofuran-2-one)-phenol) pentaerythritol diphosphite, bis-(1- methyl-6-tert. butyl -(5,7-di-tert. butyl)-3H-1-benzofuran-2-one)-phenol) pentaerythritol diphosphite, bis-(4-tert. butyl -(5-tert.
  • Tris(2,4-di-tert-butylphenyl) phosphite (lrgafos ® 168, Ciba Specialty Chemicals Inc.), tris(no- nylphenyl) phosphite, phosphorus acid mixed 2,4-bis(1 ,1-dimethylpropyl)phenyl and 4-(1 ,1- dimethylpropyl)phenyl triesters (CAS Reg. No. 939402-02-5), phosphorous acid triphenyl ester polymer with alpha-hydro-omega-hydroxypoly[oxy(methyl-1 ,2-ethanediyl) C10-16 alkyl esters (CAS Reg. No. 1227937-46-3).
  • Hydroxylamines for example N,N-dibenzylhydroxylamine, N,N-diethylhydroxylamine, N,N- dioctylhydroxylamine, N,N-dilaurylhydroxylamine, N,N-ditetradecylhydroxylamine, N,N- dihexadecylhydroxylamine, N,N-dioctadecylhydroxylamine, N-hexadecyl-N-octadecylhydrox- ylamine, N-heptadecyl-N-octadecylhydroxylamine, N,N-dialkylhydroxylamine derived from hydrogenated tallow amine, N-octadecylhydroxylamine, N,N-dialkylhydroxylamine, N , N-di-tert- butylhydroxylamine, N-cyclohexylhydroxylamine, N-cyclododecylhydroxylamine, N,N- di
  • Amine oxides for example N,N-dibenzylhydroxylamine oxide, N,N-diethylhydroxylamine oxide, N,N-dioctylhydroxylamine oxide, N,N-dilaurylhydroxylamine oxide, N,N- ditetradecylhydroxylamine oxide, N,N-dihexadecylhydroxylamine oxide, N,N- dioctadecylhydroxylamine oxide, N-hexadecyl-N-octadecylhydrox-ylamine oxide, N-heptadecyl- N-octadecylhydroxylamine oxide, N,N-dialkylhydroxylamine oxide derived from hydrogenated tallow amine, amines, bis(hydrogenated rape-oil alkyl)methyl, N-oxides.
  • Nitrones for example, N-benzyl-alpha-phenylnitrone, N-ethyl-alpha-methylnitrone, N-octyl- alpha-heptylnitrone, N-lauryl-alpha-undecylnitrone, N-tetradecyl-alpha-tridecylnnitrone, N- hexadecyl-alpha-pentadecylnitrone, N-octadecyl-alpha-heptadecylnitrone, N-hexadecyl-alpha- heptadecylnitrone, N-ocatadecyl-alpha-pentadecylnitrone, N-heptadecyl-alpha-hepta- decylnitrone, N-octadecyl-alpha-hexadecylnitrone, nitrone derived from N,
  • Thiosynergists for example dilauryl thiodipropionate, dimistryl thiodipropionate, distearyl thiodipropionate, pentaerythritol tetrakis[3-(dodecylthio)propionate] or distearyl disulfide.
  • Peroxide scavengers for example esters of b-thiodipropionic acid, for example the lauryl, stearyl, myristyl or tridecyl esters, mercaptobenzimidazole or the zinc salt of 2-mercapto- benzimidazole, zinc dibutyldithiocarbamate, dioctadecyl disulfide, pentaerythritol tetrakis(p- dodecylmercapto)propionate.
  • esters of b-thiodipropionic acid for example the lauryl, stearyl, myristyl or tridecyl esters
  • mercaptobenzimidazole or the zinc salt of 2-mercapto- benzimidazole zinc dibutyldithiocarbamate
  • dioctadecyl disulfide pentaerythritol tetrakis(p- dodecyl
  • Basic co-stabilizers for example melamine, polyvinylpyrrolidone, dicyandiamide, triallyl cyanurate, urea derivatives, hydrazine derivatives, amines, polyamides, polyurethanes, alkali metal salts and alkaline earth metal salts of higher fatty acids, for example calcium stearate, zinc stearate, magnesium behenate, magnesium stearate, sodium ricinoleate and potassium palmitate, antimony pyrocatecholate or zinc pyrocatecholate, zeolithes, hydrotalcites, hydrocalumites.
  • Basic co-stabilizers for example melamine, polyvinylpyrrolidone, dicyandiamide, triallyl cyanurate, urea derivatives, hydrazine derivatives, amines, polyamides, polyurethanes, alkali metal salts and alkaline earth metal salts of higher fatty acids, for example calcium stearate, zinc stea
  • Nucleating agents for example inorganic substances, such as talcum, metal oxides, such as titanium dioxide or magnesium oxide, phosphates, carbonates or sulfates of, preferably, alkaline earth metals; organic compounds, such as mono- or polycarboxylic acids and the salts thereof, e.g. 4-tert-butylbenzoic acid, adipic acid, diphenylacetic acid, sodium succinate or sodium benzoate; polymeric compounds, such as ionic copolymers (ionomers).
  • inorganic substances such as talcum, metal oxides, such as titanium dioxide or magnesium oxide, phosphates, carbonates or sulfates of, preferably, alkaline earth metals
  • organic compounds such as mono- or polycarboxylic acids and the salts thereof, e.g. 4-tert-butylbenzoic acid, adipic acid, diphenylacetic acid, sodium succinate or sodium benzoate
  • polymeric compounds such as ionic copolymers (
  • Beta-nucleating agents are also of interest.
  • Fillers and reinforcing agents for example calcium carbonate, silicates, glass fibres, carbon fibers, glass beads, asbestos, talcum (preferably with a particle size of 0.01 to 20 pm), kaolin, mica, barium sulfate, metal oxides and hydroxides, carbon black, graphite, wood flour and flours or fibers of other natural products, synthetic fibers.
  • additives for example plasticisers, lubricants, emulsifiers, pigments, rheology additives, catalysts, flow-control agents, optical brighteners, flameproofing agents, antistatic agents and blowing agents.
  • the conventional additive may be present in the polyolefin composition according to the present invention in an amount of e.g. 0.001 to 30 %, especially 0.001 to 20 %, relative to the weight of the polyolefin. Preferred is an amount of 0.1 to 20%.
  • Components (a), (b) and (c) as well as optional further additives of the invention may readily be incorporated into the polyolefin by conventional techniques, at any convenient stage prior to the manufacture of shaped articles therefrom.
  • Components (a), (b) and (c) may be added together or successively, if desired at different stages of processing the polyolefin.
  • Components (a), (b) and (c) as well as optional further additives can judiciously be incorporated by one of the following methods:
  • Incorporation of components (a), (b) and (c) as well as optional further additives is performed best in a thermal compounding step. Thorough blending of components (a), (b) and (c) as well as optional further additives may be followed by an extrusion of the physical blend at elevated temperature. Typically, an extruder with suitable screw configuration is used for this step.
  • Components (a), (b) and (c) as well as optional further additives of the invention can also be added to the polyolefin in the form of a masterbatch (‘concentrate’), which contains components (a), (b) and (c) as well as optional further additives of the invention incorporated in a further polymer of the masterbatch, like in polyethylene or polypropylene.
  • concentration for the sum of additives in such masterbatch is, for example, from 1% to 90%, preferably 1% to 40%, and in particular 2.5% to 25% by weight of the masterbatch.
  • the polymer, like polyethylene or polypropylene may be present in such masterbatch in a concentration of 10% to 99%, preferably 60% to 99%, and in particular 75% to 97.5%.
  • Said polymer of the masterbatch must not be necessarily a polyolefin, like polyethylene or polypropylene.
  • the masterbatch can for example be in the form of a powder, granules, dispersions or in the form of latices.
  • the polyolefin compositions of this invention can be employed in various forms and/or processed to give various final products, for example as to obtain films, fibres, tapes, moulding compositions or profiles.
  • the final product respectively article can be any type of polymeric article, which needs stabilization in natural sunlight and/or humidity at low, ambient or elevated temperature and/or the flame-retardancy of which shall be improved.
  • plastic films in general (packaging, dump, laminating, swimming pools covers, waste bags, wallpaper, stretch and shrink wrap, raffia, desalination film, batteries, and connectors), and also agricultural films (greenhouse covers, tunnel, mulch, silage, bale wrap), especially in presence of intensive application of agrochemicals.
  • the polymeric articles may be manufactured by any process available to those of ordinary skill in the art including, but not limited to, extrusion, extrusion blowing, film casting, film blowing, calendering, injection molding, blow molding, compression molding, thermoforming, spinning, blow extrusion or rotational casting.
  • any appropriate equipment can be used, depending on the final form of the article, for example a blow extruder in the case of films, an extrusion machine in the case of sheets or an injection molding machine.
  • another embodiment of the present invention is an article made of an inventive composition as described above.
  • a polyolefin article for agricultural use preferably a thin film, typically obtained with the blow extrusion technology, is preferred.
  • the most important application of thin plastic films in agriculture is as covers for greenhouses and tunnels to grow crops in a protected environment.
  • a multilayer polyolefin film is also preferred.
  • Such a multilayer film is typically made of three, five or seven layers. This can lead to a film structure like A-B-A, A-B-C, A-B-C-B-A, A-B-C-B-D, A-B-C-D-C-B-A or
  • A, B, C, D represent the different polymers and tackifiers mentioned in the following.
  • adjacent layers can also be coupled so that the final film article can be made of an even number of layers, i.e. two, four or six layers such as A-A-B-A, A-A-B-B, A-A-B-A-A, A-B-B-A-A, A- A-B-C-B, A-A-B-C-A-A and the like.
  • composition according to the present invention is particularly useful for stabilizing greenhouse film covers, which are in contact with an agrochemical compound such as e.g. Metam-Sodium (Sodium N-methyldithiocarbamate), Cymoxanil (2-Cyan-N- [(ethylamino)carbonyl]-2-(methoxyimino)acetamide), Thiram
  • an agrochemical compound such as e.g. Metam-Sodium (Sodium N-methyldithiocarbamate), Cymoxanil (2-Cyan-N- [(ethylamino)carbonyl]-2-(methoxyimino)acetamide), Thiram
  • a further embodiment of the present invention is a greenhouse polyolefin film cover which is in contact with an agrochemical compound.
  • Still a further embodiment of the present invention is a method for stabilizing a polyolefin against degradation induced by light, heat, oxidation or the effect of agrochemical compounds, which comprises incorporating into the polyolefin components (a), (b) and (c) as defined above.
  • a further embodiment of the present invention are flame-retardant articles comprising an inventive composition as defined hereinbefore.
  • An additional embodiment of this invention is directed to the use of components (b) and (c) for reducing odor in a polyolefin composition comprising a component (a), wherein the definitions and preferences for components (a), (b) and (c), as well as for the polyolefin, as given hereinbefore shall apply.
  • polyolefin compositions comprising component (a) may show a specific odor, which could be attributed to butyric acid. Surprisingly, the odor can be significantly reduced by use of components (b) and (c).
  • Polypropylene Polymer Moplen HP552R, manufacturer LyondellBasell Industries N.V.
  • Component (a1) Compound of formula (1), available as Flamestab® NOR 116 FF, manufacturer BASF SE.
  • Component (b1) Magnesium aluminium hydroxide carbonate hydrate, available as DHT-4V® from Kisuma Chemicals B.V..
  • Component (b2) Calcium oxide (available as Kezadol DAB from Kettlitz-Chemie GmbH & Co. KG).
  • Component (d) N,N-Dioctadecylhydroxylamine, available as Irgastab® FS 042 from BASF SE.
  • Component (c2) N-methyl dioctadecyl amine oxide B) Preparation of pellets and tests
  • Polypropylene Polymer Moplen HP552R (in the following designated as PP) and the respective components given in the following Table 1 are dry blended in the amounts as indicated in Table 1 and then melt compounded into pellets on a DSM Twin-screw Micro-Compounder R at a temperature T max of 230°C.
  • the butyric acid, source of generated odor is evaluated in each of the produced pelletized compositions according to a thermal desorption GC-MS method.
  • the butyric acid is extracted by thermal desorption from the specimen pellet and subsequently quantified by GC-MS analysis.

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Abstract

La présente invention concerne une composition de polyoléfine comprenant (a) un stabilisant de lumière d'amine encombrée de formule (1) telle que définie dans la description, (b) une hydrotalcite ou un oxyde inorganique, et (c) un stabilisateur d'hydroxylamine ou un stabilisateur d'oxyde d'amine, un article ignifuge comprenant une telle composition, et l'utilisation de composants (b) et (c) pour réduire l'odeur dans une composition de polyoléfine comprenant un composant (a).
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IL295823A (en) 2022-10-01
MX2022010677A (es) 2022-09-23
TW202138452A (zh) 2021-10-16
EP4110862A1 (fr) 2023-01-04
JP2023515972A (ja) 2023-04-17
AU2021228909A1 (en) 2022-09-22
CN115175958A (zh) 2022-10-11
BR112022017027A2 (pt) 2022-10-11
KR20220147621A (ko) 2022-11-03

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